1 files changed, 95 insertions, 0 deletions
diff --git a/lib/csu/ia64/crt0.c b/lib/csu/ia64/crt0.c
new file mode 100644
index 00000000000..09125016be9
--- /dev/null
+++ b/lib/csu/ia64/crt0.c
@@ -0,0 +1,95 @@
+/* $OpenBSD: crt0.c,v 1.1 2011/07/04 05:42:11 pirofti Exp $ */
+
+/*
+ * Copyright (c) 2011 Paul Irofti <pirofti@openbsd.org>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/param.h>
+#include <sys/exec.h>
+#include <stdlib.h>
+
+static char	*_strrchr(char *, char);
+
+char	**environ;
+char	*__progname = "";
+
+char __progname_storage[NAME_MAX+1];
+
+#ifdef MCRT0
+extern void	monstartup(u_long, u_long);
+extern void	_mcleanup(void);
+extern unsigned char _etext, _eprol;
+#endif /* MCRT0 */
+
+__asm ("1:						\
+	{ .mii					\
+	  mov		r15=@gprel(1b)	\n	\
+	  mov		r16=ip	;;	\n	\
+	  sub		gp=r16,r15	\n	\
+	;;					\
+	} ");
+
+void
+___start(int argc, char **argv, char **envp, void (*cleanup)(void),
+    const void *obj, struct ps_strings *ps_strings)
+{
+	char *namep;
+	register struct kframe *kfp;
+	char *s;
+
+        environ = envp;
+
+	if ((namep = argv[0]) != NULL) {	/* NULL ptr if argc = 0 */
+		if ((__progname = _strrchr(namep, '/')) == NULL)
+			__progname = namep;
+		else
+			++__progname;
+		for (s = __progname_storage; *__progname &&
+		    s < &__progname_storage[sizeof __progname_storage - 1]; )
+			*s++ = *__progname++;
+		*s = '\0';
+		__progname = __progname_storage;
+	}
+
+#ifdef MCRT0
+	atexit(_mcleanup);
+	monstartup((u_long)&_eprol, (u_long)&_etext);
+#endif
+
+	__init();
+
+	exit(main(argc, argv, environ));
+}
+
+
+static char *
+_strrchr(p, ch)
+register char *p, ch;
+{
+	register char *save;
+
+	for (save = NULL;; ++p) {
+		if (*p == ch)
+			save = (char *)p;
+		if (!*p)
+			return(save);
+	}
+/* NOTREACHED */
+}
+
+#ifdef MCRT0
+asm ("  .text");
+asm ("_eprol:");
+#endif